#455E7D
Closest named color: YInMn Blue (#415A77). oklch(47.5% 0.059 254.2), rgb(69, 94, 125).
Aa
White text reads best on this color (6.66:1).
About this color
#455E7D is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.059 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.015 away. White text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #455E7D |
| RGB | rgb(69, 94, 125) |
| HSL | hsl(213, 29%, 38%) |
| OKLCH | oklch(47.5% 0.059 254.2) |
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 #455E7D | 6.66:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #455E7D | 3.15:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #455E7D text on white | 6.66:1 | AA | Lc 82.9 | Fine for body text |
| #455E7D text on black | 3.15:1 | AA large text | Lc -19.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D3
oklch(80.9% 0.029 253.3)
-
Step 400
400
#8EA3BD
oklch(70.8% 0.045 253.9)
-
Step 500
500
#718CAD
oklch(63.2% 0.059 253.7)
-
Step 600
600
#5A7598
oklch(55.5% 0.063 255.2)
-
Step 700
700 (this color)
#455E7D
oklch(47.5% 0.059 254.2)
-
Step 800
800
#3C5069
oklch(42.5% 0.049 254.3)
-
Step 900
900
#344356
oklch(37.8% 0.038 254.6)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#455E7D 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) | #525F7E | 0.018 |
| Deuteranopia (no green cones) | #4C5A7C | 0.014 |
| Tritanopia (no blue cones) | #306569 | 0.051 |
| Achromatopsia (no color) | #5C5C5C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455E7D
#455E7D
oklch(47.5% 0.059 254.2)
- #705736
#705736
oklch(47.4% 0.058 73.4)
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 #455E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.015
- Denim #3B638C ΔE 0.026
- Dusty Grape #545775 ΔE 0.027
- Dusk #4E5481 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Slate #516572 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
Use #455E7D 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.