#454C80
Closest named color: Twilight (#4E518B). oklch(43.5% 0.086 276.4), rgb(69, 76, 128).
Aa
White text reads best on this color (8.08:1).
About this color
#454C80 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 8.08:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #454C80 |
| RGB | rgb(69, 76, 128) |
| HSL | hsl(233, 30%, 39%) |
| OKLCH | oklch(43.5% 0.086 276.4) |
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 #454C80 | 8.08:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #454C80 | 2.59:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #454C80 text on white | 8.08:1 | AAA | Lc 87.9 | Fine for body text |
| #454C80 text on black | 2.59:1 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B7BEE2
oklch(80.8% 0.051 276.5)
-
Step 400
400
#939DD3
oklch(70.8% 0.08 276.1)
-
Step 500
500
#7983C7
oklch(63% 0.103 276.6)
-
Step 600
600
#636CB4
oklch(55.6% 0.112 276.7)
-
Step 700
700
#525A9B
oklch(49.2% 0.104 276.6)
-
Step 800
800 (this color)
#454C80
oklch(43.5% 0.086 276.4)
-
Step 900
900
#383E65
oklch(37.7% 0.067 276)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#454C80 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) | #395282 | 0.022 |
| Deuteranopia (no green cones) | #344E7F | 0.023 |
| Tritanopia (no blue cones) | #315760 | 0.076 |
| Achromatopsia (no color) | #505050 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454C80
#454C80
oklch(43.5% 0.086 276.4)
- #5F5108
#5F5108
oklch(43.6% 0.086 97)
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 #454C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Dusk #4E5481 ΔE 0.028
- Dusk Blue #26538D ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.047
- YInMn Blue #415A77 ΔE 0.048
- Dusty Grape #545775 ΔE 0.049
Use #454C80 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.