#454E88
Closest named color: Twilight (#4E518B). oklch(44.4% 0.095 275.2), rgb(69, 78, 136).
Aa
White text reads best on this color (7.78:1).
About this color
#454E88 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.095 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #454E88 |
| RGB | rgb(69, 78, 136) |
| HSL | hsl(232, 33%, 40%) |
| OKLCH | oklch(44.4% 0.095 275.2) |
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 #454E88 | 7.78:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #454E88 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #454E88 text on white | 7.78:1 | AAA | Lc 86.9 | Fine for body text |
| #454E88 text on black | 2.69:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BEE5
oklch(80.8% 0.056 276)
-
Step 400
400
#909CD8
oklch(70.6% 0.089 275.2)
-
Step 500
500
#7683CE
oklch(63.1% 0.114 275.2)
-
Step 600
600
#5F6BBB
oklch(55.5% 0.124 275.2)
-
Step 700
700
#4F59A1
oklch(49.1% 0.115 275.4)
-
Step 800
800 (this color)
#454E88
oklch(44.4% 0.095 275.2)
-
Step 900
900
#363E69
oklch(37.8% 0.074 274.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#454E88 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) | #37558A | 0.025 |
| Deuteranopia (no green cones) | #325087 | 0.025 |
| Tritanopia (no blue cones) | #2C5A64 | 0.084 |
| Achromatopsia (no color) | #525252 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454E88
#454E88
oklch(44.4% 0.095 275.2)
- #645300
#645300
oklch(44.6% 0.092 95.3)
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 #454E88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.017
- Dusk #4E5481 ΔE 0.027
- Dusk Blue #26538D ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.041
- Blueberry #464196 ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.047
- Dusky Blue #475F94 ΔE 0.050
Use #454E88 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.