#6288DF
Closest named color: Soft Blue (#6488EA). oklch(63.8% 0.138 264.9), rgb(98, 136, 223).
Aa
Black text reads best on this color (6.10:1).
About this color
#6288DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.138 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.017 away. Black text reads best on it, at 6.10:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.10:1 |
| White text | 3.43:1 |
Values
| HEX | #6288DF |
| RGB | rgb(98, 136, 223) |
| HSL | hsl(222, 66%, 63%) |
| OKLCH | oklch(63.8% 0.138 264.9) |
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 #6288DF | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #6288DF | 6.10:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #6288DF text on white | 3.43:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #6288DF text on black | 6.10:1 | AA | Lc -40.0 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC1ED
oklch(80.9% 0.067 264.1)
-
Step 400
400
#7F9FE4
oklch(70.6% 0.108 264.7)
-
Step 500
500 (this color)
#6288DF
oklch(63.8% 0.138 264.9)
-
Step 600
600
#476ECA
oklch(55.7% 0.149 264.7)
-
Step 700
700
#395BAF
oklch(49.1% 0.14 265.1)
-
Step 800
800
#2F4B8E
oklch(42.8% 0.116 264.9)
-
Step 900
900
#2A3F71
oklch(37.7% 0.09 265.2)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#6288DF 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) | #6490E2 | 0.022 |
| Deuteranopia (no green cones) | #5485DD | 0.018 |
| Tritanopia (no blue cones) | #089BA9 | 0.123 |
| Achromatopsia (no color) | #8A8A8A | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6288DF
#6288DF
oklch(63.8% 0.138 264.9)
- #B08400
#B08400
oklch(63.9% 0.131 84.9)
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 #6288DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.017
- Dark Sky Blue #448EE4 ΔE 0.030
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.041
- Cornflower #6A79F7 ΔE 0.057
- Faded Blue #658CBB ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.063
Use #6288DF 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.