#6788FE
Closest named color: Soft Blue (#6488EA). oklch(66% 0.178 269.3), rgb(103, 136, 254).
Aa
Black text reads best on this color (6.52:1).
About this color
#6788FE is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.178 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.030 away. Black text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #6788FE |
| RGB | rgb(103, 136, 254) |
| HSL | hsl(227, 99%, 70%) |
| OKLCH | oklch(66% 0.178 269.3) |
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 #6788FE | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #6788FE | 6.52:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #6788FE text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #6788FE text on black | 6.52:1 | AA | Lc -42.6 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD8FA
oklch(88.4% 0.049 270)
-
Step 300
300
#AABFFA
oklch(81% 0.087 269.2)
-
Step 400
400
#7E9BF7
oklch(70.7% 0.139 269.4)
-
Step 500
500 (this color)
#6788FE
oklch(66% 0.178 269.3)
-
Step 600
600
#4865E3
oklch(55.7% 0.194 269.3)
-
Step 700
700
#3A53C5
oklch(49.2% 0.18 269.3)
-
Step 800
800
#2F449F
oklch(42.6% 0.15 269.2)
-
Step 900
900
#293B7E
oklch(37.7% 0.115 269)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#6788FE 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) | #4E97FF | 0.041 |
| Deuteranopia (no green cones) | #3589FC | 0.044 |
| Tritanopia (no blue cones) | #00A3B7 | 0.155 |
| Achromatopsia (no color) | #8F8F8F | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6788FE
#6788FE
oklch(66% 0.178 269.3)
- #B38D00
#B38D00
oklch(66% 0.135 89.5)
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 #6788FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.030
- Cornflower #6A79F7 ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.050
- Periwinkle #8E82FE ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.056
Use #6788FE 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.