#6188FE
Closest named color: Soft Blue (#6488EA). oklch(65.7% 0.18 267.5), rgb(97, 136, 254).
Aa
Black text reads best on this color (6.46:1).
About this color
#6188FE is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.180 and its hue 268°. 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 6.46:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.46:1 |
| White text | 3.25:1 |
Values
| HEX | #6188FE |
| RGB | rgb(97, 136, 254) |
| HSL | hsl(225, 99%, 69%) |
| OKLCH | oklch(65.7% 0.18 267.5) |
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 #6188FE | 3.25:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #6188FE | 6.46:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #6188FE text on white | 3.25:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #6188FE text on black | 6.46:1 | AA | Lc -42.2 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A8BFFA
oklch(80.9% 0.088 267.9)
-
Step 400
400
#7A9CF8
oklch(70.7% 0.14 267.4)
-
Step 500
500 (this color)
#6188FE
oklch(65.7% 0.18 267.5)
-
Step 600
600
#4266E4
oklch(55.7% 0.196 267.5)
-
Step 700
700
#3453C6
oklch(49% 0.183 267.6)
-
Step 800
800
#2B45A0
oklch(42.7% 0.151 267.5)
-
Step 900
900
#263B7F
oklch(37.6% 0.118 267.5)
-
Step 950
950
#16234A
oklch(26.9% 0.074 267.4)
#6188FE 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) | #4D96FF | 0.037 |
| Deuteranopia (no green cones) | #3088FC | 0.041 |
| Tritanopia (no blue cones) | #00A3B7 | 0.153 |
| Achromatopsia (no color) | #8F8F8F | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6188FE
#6188FE
oklch(65.7% 0.18 267.5)
- #B48B00
#B48B00
oklch(65.7% 0.134 87.6)
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 #6188FE, 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 0.046
- Chefchaouen Blue #4895EF ΔE 0.047
- Dodger Blue #1E90FF ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.053
- Periwinkle #8E82FE ΔE 0.057
Use #6188FE 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.