#455170
Closest named color: YInMn Blue (#415A77). oklch(43.8% 0.054 267.8), rgb(69, 81, 112).
Aa
White text reads best on this color (7.88:1).
About this color
#455170 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.054 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #455170 |
| RGB | rgb(69, 81, 112) |
| HSL | hsl(223, 24%, 35%) |
| OKLCH | oklch(43.8% 0.054 267.8) |
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 #455170 | 7.88:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #455170 | 2.66:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #455170 text on white | 7.88:1 | AAA | Lc 87.3 | Fine for body text |
| #455170 text on black | 2.66:1 | Fails | Lc -14.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B8C0D6
oklch(80.9% 0.032 269.8)
-
Step 400
400
#93A0C1
oklch(70.7% 0.051 268.2)
-
Step 500
500
#7989B1
oklch(63.2% 0.063 267.6)
-
Step 600
600
#62729D
oklch(55.6% 0.07 268.4)
-
Step 700
700
#515F86
oklch(49% 0.065 268.8)
-
Step 800
800 (this color)
#455170
oklch(43.8% 0.054 267.8)
-
Step 900
900
#384158
oklch(37.7% 0.041 267.9)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#455170 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) | #475471 | 0.010 |
| Deuteranopia (no green cones) | #43506F | 0.005 |
| Tritanopia (no blue cones) | #38575C | 0.047 |
| Achromatopsia (no color) | #515151 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455170
#455170
oklch(43.8% 0.054 267.8)
- #5E502E
#5E502E
oklch(43.7% 0.053 87.8)
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 #455170, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Dusty Grape #545775 ΔE 0.031
- Dusk #4E5481 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.046
- Twilight #4E518B ΔE 0.048
- Dusk Blue #26538D ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.057
- Light Navy #155084 ΔE 0.058
Use #455170 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.