#454F8A
Closest named color: Twilight (#4E518B). oklch(44.8% 0.097 274.5), rgb(69, 79, 138).
Aa
White text reads best on this color (7.66:1).
About this color
#454F8A is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.097 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.015 away. White text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #454F8A |
| RGB | rgb(69, 79, 138) |
| HSL | hsl(231, 33%, 41%) |
| OKLCH | oklch(44.8% 0.097 274.5) |
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 #454F8A | 7.66:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #454F8A | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #454F8A text on white | 7.66:1 | AAA | Lc 86.5 | Fine for body text |
| #454F8A text on black | 2.73:1 | Fails | Lc -15.6 | 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
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B5BFE6
oklch(81% 0.056 273.8)
-
Step 400
400
#8F9CDA
oklch(70.6% 0.092 274.7)
-
Step 500
500
#7583CF
oklch(63.1% 0.115 274.7)
-
Step 600
600
#5E6BBC
oklch(55.5% 0.126 274.7)
-
Step 700
700
#4E59A2
oklch(49.1% 0.117 274.8)
-
Step 800
800 (this color)
#454F8A
oklch(44.8% 0.097 274.5)
-
Step 900
900
#363E69
oklch(37.8% 0.074 274.3)
-
Step 950
950
#1F243E
oklch(26.9% 0.049 274.4)
#454F8A 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) | #38568C | 0.024 |
| Deuteranopia (no green cones) | #315189 | 0.025 |
| Tritanopia (no blue cones) | #2A5B66 | 0.085 |
| Achromatopsia (no color) | #535353 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #454F8A
#454F8A
oklch(44.8% 0.097 274.5)
- #655300
#655300
oklch(44.7% 0.092 94.4)
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 #454F8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.015
- Dusk #4E5481 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.035
- Dusk Blue #26538D ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.040
- Blueberry #464196 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.049
Use #454F8A 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.