#45487D
Closest named color: Twilight (#4E518B). oklch(42.5% 0.087 279.5), rgb(69, 72, 125).
Aa
White text reads best on this color (8.48:1).
About this color
#45487D is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.087 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 8.48:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #45487D |
| RGB | rgb(69, 72, 125) |
| HSL | hsl(237, 29%, 38%) |
| OKLCH | oklch(42.5% 0.087 279.5) |
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 #45487D | 8.48:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #45487D | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #45487D text on white | 8.48:1 | AAA | Lc 89.1 | Fine for body text |
| #45487D text on black | 2.47:1 | Fails | Lc -13.1 | 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
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE2
oklch(80.9% 0.051 279)
-
Step 400
400
#969BD3
oklch(70.6% 0.082 280.1)
-
Step 500
500
#7D82C8
oklch(63.1% 0.105 279.8)
-
Step 600
600
#666BB4
oklch(55.7% 0.113 279.1)
-
Step 700
700
#55599B
oklch(49.2% 0.105 279.2)
-
Step 800
800 (this color)
#45487D
oklch(42.5% 0.087 279.5)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#45487D 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) | #354F7F | 0.027 |
| Deuteranopia (no green cones) | #314B7C | 0.028 |
| Tritanopia (no blue cones) | #33535C | 0.077 |
| Achromatopsia (no color) | #4D4D4D | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45487D
#45487D
oklch(42.5% 0.087 279.5)
- #5A4F02
#5A4F02
oklch(42.6% 0.087 99.9)
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 #45487D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.041
- Dusk Blue #26538D ΔE 0.048
- Blueberry #464196 ΔE 0.048
- Light Navy #155084 ΔE 0.052
- Cobalt #1E488F ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.055
Use #45487D 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.