#6B88FC
Closest named color: Soft Blue (#6488EA). oklch(66.1% 0.174 270.5), rgb(107, 136, 252).
Aa
Black text reads best on this color (6.55:1).
About this color
#6B88FC is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.174 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.029 away. Black text reads best on it, at 6.55:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.55:1 |
| White text | 3.20:1 |
Values
| HEX | #6B88FC |
| RGB | rgb(107, 136, 252) |
| HSL | hsl(228, 96%, 70%) |
| OKLCH | oklch(66.1% 0.174 270.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6B88FC | 3.20:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #6B88FC | 6.55:1 | AA | Lc 45.1 | Large or bold text, headings |
| #6B88FC text on white | 3.20:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #6B88FC text on black | 6.55:1 | AA | Lc -42.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3E9FB
oklch(93.5% 0.025 271.1)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBEF9
oklch(80.8% 0.086 270.6)
-
Step 400
400
#809BF6
oklch(70.8% 0.137 270.1)
-
Step 500
500 (this color)
#6B88FC
oklch(66.1% 0.174 270.5)
-
Step 600
600
#4C65E0
oklch(55.7% 0.189 270.4)
-
Step 700
700
#3D52C3
oklch(49% 0.177 270.5)
-
Step 800
800
#32449D
oklch(42.6% 0.146 270.4)
-
Step 900
900
#2C3B7D
oklch(37.8% 0.113 270.5)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#6B88FC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5196FF | 0.040 |
| Deuteranopia (no green cones) | #3B8AFA | 0.045 |
| Tritanopia (no blue cones) | #00A2B6 | 0.154 |
| Achromatopsia (no color) | #909090 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B88FC
#6B88FC
oklch(66.1% 0.174 270.5)
- #B28E00
#B28E00
oklch(66.1% 0.135 90.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6B88FC, closest first.
No curated palette has a color within ΔE 0.04 of #6B88FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.029
- Cornflower #6A79F7 ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.044
- Periwinkle #8E82FE ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.058
Use #6B88FC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.