#4256A7
Closest named color: Denim Blue (#3B5B92). oklch(48% 0.132 270.4), rgb(66, 86, 167).
Aa
White text reads best on this color (6.72:1).
About this color
#4256A7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.132 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.040 away. White text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #4256A7 |
| RGB | rgb(66, 86, 167) |
| HSL | hsl(228, 43%, 46%) |
| OKLCH | oklch(48% 0.132 270.4) |
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 #4256A7 | 6.72:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #4256A7 | 3.12:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #4256A7 text on white | 6.72:1 | AA | Lc 82.9 | Fine for body text |
| #4256A7 text on black | 3.12:1 | AA large text | Lc -19.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEB
oklch(80.9% 0.064 271.1)
-
Step 400
400
#889DE1
oklch(70.7% 0.103 270.5)
-
Step 500
500
#6C84D8
oklch(63.2% 0.13 270.3)
-
Step 600
600
#546CC5
oklch(55.7% 0.14 270)
-
Step 700
700 (this color)
#4256A7
oklch(48% 0.132 270.4)
-
Step 800
800
#39498A
oklch(42.6% 0.109 270.8)
-
Step 900
900
#313E6E
oklch(37.7% 0.084 270.5)
-
Step 950
950
#1C2441
oklch(26.9% 0.055 270.7)
#4256A7 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) | #2E60AA | 0.031 |
| Deuteranopia (no green cones) | #1D57A5 | 0.035 |
| Tritanopia (no blue cones) | #006876 | 0.115 |
| Achromatopsia (no color) | #5C5C5C | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4256A7
#4256A7
oklch(48% 0.132 270.4)
- #735A00
#735A00
oklch(47.9% 0.098 89.9)
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 #4256A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.044
- Twilight #4E518B ΔE 0.047
- Dusk Blue #26538D ΔE 0.054
- Mid Blue #276AB3 ΔE 0.056
- French Blue #436BAD ΔE 0.058
- Blueberry #464196 ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.059
Use #4256A7 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.