#454D7C
Closest named color: Dusk (#4E5481). oklch(43.5% 0.078 275.3), rgb(69, 77, 124).
Aa
White text reads best on this color (8.05:1).
About this color
#454D7C is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.078 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.026 away. White text reads best on it, at 8.05:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #454D7C |
| RGB | rgb(69, 77, 124) |
| HSL | hsl(231, 28%, 38%) |
| OKLCH | oklch(43.5% 0.078 275.3) |
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 #454D7C | 8.05:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #454D7C | 2.60:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #454D7C text on white | 8.05:1 | AAA | Lc 87.8 | Fine for body text |
| #454D7C text on black | 2.60:1 | Fails | Lc -14.3 | Not readable |
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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#939DCF
oklch(70.6% 0.074 275.6)
-
Step 500
500
#7985C2
oklch(63.2% 0.093 274.9)
-
Step 600
600
#636DAE
oklch(55.5% 0.102 275.9)
-
Step 700
700
#525B96
oklch(49.1% 0.095 275.8)
-
Step 800
800 (this color)
#454D7C
oklch(43.5% 0.078 275.3)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950
#212539
oklch(27% 0.038 274.9)
#454D7C 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) | #3C527E | 0.017 |
| Deuteranopia (no green cones) | #384E7B | 0.018 |
| Tritanopia (no blue cones) | #33565E | 0.069 |
| Achromatopsia (no color) | #505050 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454D7C
#454D7C
oklch(43.5% 0.078 275.3)
- #5E5015
#5E5015
oklch(43.4% 0.078 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 #454D7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.026
- Twilight #4E518B ΔE 0.030
- YInMn Blue #415A77 ΔE 0.042
- Dusty Grape #545775 ΔE 0.043
- Dusk Blue #26538D ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.048
- Light Navy #155084 ΔE 0.050
Use #454D7C 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.