#455291
Closest named color: Twilight (#4E518B). oklch(45.9% 0.104 272.9), rgb(69, 82, 145).
Aa
White text reads best on this color (7.32:1).
About this color
#455291 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.104 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #455291 |
| RGB | rgb(69, 82, 145) |
| HSL | hsl(230, 36%, 42%) |
| OKLCH | oklch(45.9% 0.104 272.9) |
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 #455291 | 7.32:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #455291 | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #455291 text on white | 7.32:1 | AAA | Lc 85.3 | Fine for body text |
| #455291 text on black | 2.86:1 | Fails | Lc -16.7 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300
#B3BFE9
oklch(81% 0.061 272.5)
-
Step 400
400
#8C9DDD
oklch(70.7% 0.096 272.3)
-
Step 500
500
#7183D4
oklch(63.1% 0.124 272.9)
-
Step 600
600
#5A6BC1
oklch(55.6% 0.134 272.9)
-
Step 700
700
#4A59A7
oklch(49.1% 0.125 272.8)
-
Step 800
800 (this color)
#455291
oklch(45.9% 0.104 272.9)
-
Step 900
900
#343E6C
oklch(37.8% 0.08 272.8)
-
Step 950
950
#1E243F
oklch(26.9% 0.051 273)
#455291 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) | #385A93 | 0.025 |
| Deuteranopia (no green cones) | #305390 | 0.025 |
| Tritanopia (no blue cones) | #245F6A | 0.092 |
| Achromatopsia (no color) | #565656 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455291
#455291
oklch(45.9% 0.104 272.9)
- #6A5600
#6A5600
oklch(46% 0.094 93.2)
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 #455291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.027
- Dusk #4E5481 ΔE 0.031
- Dusk Blue #26538D ΔE 0.036
- Dusky Blue #475F94 ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.039
- Blueberry #464196 ΔE 0.047
- Denim #3B638C ΔE 0.052
Use #455291 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.