#455C7E
Closest named color: YInMn Blue (#415A77). oklch(47.1% 0.062 258), rgb(69, 92, 126).
Aa
White text reads best on this color (6.80:1).
About this color
#455C7E is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.062 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 6.80:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #455C7E |
| RGB | rgb(69, 92, 126) |
| HSL | hsl(216, 29%, 38%) |
| OKLCH | oklch(47.1% 0.062 258) |
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 #455C7E | 6.80:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #455C7E | 3.08:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #455C7E text on white | 6.80:1 | AA | Lc 83.4 | Fine for body text |
| #455C7E text on black | 3.08:1 | AA large text | Lc -18.5 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B5C2D4
oklch(81% 0.029 256.5)
-
Step 400
400
#8EA2BF
oklch(70.7% 0.048 257.6)
-
Step 500
500
#728BAF
oklch(63.1% 0.062 257.5)
-
Step 600
600
#5B759B
oklch(55.7% 0.067 257.8)
-
Step 700
700 (this color)
#455C7E
oklch(47.1% 0.062 258)
-
Step 800
800
#3D506B
oklch(42.7% 0.051 257.2)
-
Step 900
900
#344257
oklch(37.6% 0.041 258.3)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#455C7E 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) | #4F5E80 | 0.016 |
| Deuteranopia (no green cones) | #49587D | 0.012 |
| Tritanopia (no blue cones) | #306368 | 0.054 |
| Achromatopsia (no color) | #5B5B5B | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455C7E
#455C7E
oklch(47.1% 0.062 258)
- #6E5731
#6E5731
oklch(47.1% 0.062 78.9)
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 #455C7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Dusty Grape #545775 ΔE 0.025
- Denim #3B638C ΔE 0.027
- Dusk #4E5481 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.036
- Slate #516572 ΔE 0.042
Use #455C7E 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.