#455175
Closest named color: Dusk (#4E5481). oklch(44% 0.062 269.6), rgb(69, 81, 117).
Aa
White text reads best on this color (7.81:1).
About this color
#455175 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.025 away. White text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #455175 |
| RGB | rgb(69, 81, 117) |
| HSL | hsl(225, 26%, 36%) |
| OKLCH | oklch(44% 0.062 269.6) |
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 #455175 | 7.81:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #455175 | 2.68:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #455175 text on white | 7.81:1 | AAA | Lc 87.1 | Fine for body text |
| #455175 text on black | 2.68:1 | Fails | Lc -15.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B7C0D9
oklch(80.9% 0.037 269.8)
-
Step 400
400
#92A0C5
oklch(70.8% 0.057 268.7)
-
Step 500
500
#7888B7
oklch(63.2% 0.073 269.7)
-
Step 600
600
#6171A3
oklch(55.6% 0.08 270.1)
-
Step 700
700
#505F8B
oklch(49.2% 0.073 269.2)
-
Step 800
800 (this color)
#455175
oklch(44% 0.062 269.6)
-
Step 900
900
#37405B
oklch(37.5% 0.048 269.8)
-
Step 950
950
#202636
oklch(27% 0.031 268.4)
#455175 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) | #455477 | 0.009 |
| Deuteranopia (no green cones) | #415074 | 0.007 |
| Tritanopia (no blue cones) | #36585E | 0.054 |
| Achromatopsia (no color) | #525252 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455175
#455175
oklch(44% 0.062 269.6)
- #605128
#605128
oklch(44% 0.062 89.7)
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 #455175, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.027
- Dusty Grape #545775 ΔE 0.030
- Twilight #4E518B ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.050
- Dusk Blue #26538D ΔE 0.050
- Light Navy #155084 ΔE 0.054
Use #455175 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.