#256382
Closest named color: Denim (#3B638C). oklch(47.4% 0.08 233.9), rgb(37, 99, 130).
Aa
White text reads best on this color (6.59:1).
About this color
#256382 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.080 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.027 away. White text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #256382 |
| RGB | rgb(37, 99, 130) |
| HSL | hsl(200, 56%, 33%) |
| OKLCH | oklch(47.4% 0.08 233.9) |
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 #256382 | 6.59:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #256382 | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #256382 text on white | 6.59:1 | AA | Lc 82.4 | Fine for body text |
| #256382 text on black | 3.18:1 | AA large text | Lc -19.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7AA8C2
oklch(70.8% 0.062 233.6)
-
Step 500
500
#5692B2
oklch(63.2% 0.079 233.2)
-
Step 600
600
#397B9E
oklch(55.5% 0.086 234.5)
-
Step 700
700 (this color)
#256382
oklch(47.4% 0.08 233.9)
-
Step 800
800
#25556E
oklch(42.8% 0.066 234)
-
Step 900
900
#234659
oklch(37.7% 0.052 234.2)
-
Step 950
950
#152934
oklch(26.9% 0.033 233.9)
#256382 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) | #546283 | 0.051 |
| Deuteranopia (no green cones) | #475982 | 0.043 |
| Tritanopia (no blue cones) | #006B6D | 0.051 |
| Achromatopsia (no color) | #5D5D5D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256382
#256382
oklch(47.4% 0.08 233.9)
- #7F4F2E
#7F4F2E
oklch(47.5% 0.08 54)
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 #256382, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.027
- Peacock Blue #016795 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.044
- Petrol #005F6A ΔE 0.046
- Dusky Blue #475F94 ΔE 0.049
- Dark Aqua #05696B ΔE 0.050
Use #256382 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.