#454F83
Closest named color: Twilight (#4E518B). oklch(44.4% 0.086 274.1), rgb(69, 79, 131).
Aa
White text reads best on this color (7.78:1).
About this color
#454F83 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.020 away. White text reads best on it, at 7.78:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #454F83 |
| RGB | rgb(69, 79, 131) |
| HSL | hsl(230, 31%, 39%) |
| OKLCH | oklch(44.4% 0.086 274.1) |
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 #454F83 | 7.78:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #454F83 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #454F83 text on white | 7.78:1 | AAA | Lc 86.9 | Fine for body text |
| #454F83 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B6BFE2
oklch(80.9% 0.05 273.9)
-
Step 400
400
#919DD3
oklch(70.7% 0.08 274.5)
-
Step 500
500
#7684C8
oklch(63% 0.104 274.2)
-
Step 600
600
#5F6DB4
oklch(55.6% 0.111 273.8)
-
Step 700
700
#4F5B9B
oklch(49.1% 0.103 274)
-
Step 800
800 (this color)
#454F83
oklch(44.4% 0.086 274.1)
-
Step 900
900
#373E65
oklch(37.6% 0.067 275)
-
Step 950
950
#20253B
oklch(27.1% 0.042 273.5)
#454F83 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) | #3C5585 | 0.019 |
| Deuteranopia (no green cones) | #365082 | 0.020 |
| Tritanopia (no blue cones) | #2F5A62 | 0.078 |
| Achromatopsia (no color) | #525252 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454F83
#454F83
oklch(44.4% 0.086 274.1)
- #63520B
#63520B
oklch(44.3% 0.086 94.1)
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 #454F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.020
- Dusk #4E5481 ΔE 0.022
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Light Navy #155084 ΔE 0.049
Use #454F83 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.