#454C87
Closest named color: Twilight (#4E518B). oklch(44% 0.097 276.5), rgb(69, 76, 135).
Aa
White text reads best on this color (7.96:1).
About this color
#454C87 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.097 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.021 away. White text reads best on it, at 7.96:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #454C87 |
| RGB | rgb(69, 76, 135) |
| HSL | hsl(234, 32%, 40%) |
| OKLCH | oklch(44% 0.097 276.5) |
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 #454C87 | 7.96:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #454C87 | 2.63:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #454C87 text on white | 7.96:1 | AAA | Lc 87.5 | Fine for body text |
| #454C87 text on black | 2.63:1 | Fails | Lc -14.6 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BEE6
oklch(80.9% 0.057 276.2)
-
Step 400
400
#919CD9
oklch(70.7% 0.09 276)
-
Step 500
500
#7782CF
oklch(63.1% 0.116 276.4)
-
Step 600
600
#616ABC
oklch(55.5% 0.127 276.7)
-
Step 700
700
#5058A2
oklch(49% 0.118 276.5)
-
Step 800
800 (this color)
#454C87
oklch(44% 0.097 276.5)
-
Step 900
900
#373D69
oklch(37.6% 0.075 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#454C87 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) | #355489 | 0.028 |
| Deuteranopia (no green cones) | #2F4E86 | 0.028 |
| Tritanopia (no blue cones) | #2D5863 | 0.084 |
| Achromatopsia (no color) | #515151 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454C87
#454C87
oklch(44% 0.097 276.5)
- #615200
#615200
oklch(44% 0.091 96.9)
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 #454C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.021
- Dusk #4E5481 ΔE 0.031
- Dusk Blue #26538D ΔE 0.038
- Blueberry #464196 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.045
- Light Navy #155084 ΔE 0.050
Use #454C87 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.