#455E80
Closest named color: YInMn Blue (#415A77). oklch(47.7% 0.063 256.3), rgb(69, 94, 128).
Aa
White text reads best on this color (6.63:1).
About this color
#455E80 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.063 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.018 away. White text reads best on it, at 6.63:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #455E80 |
| RGB | rgb(69, 94, 128) |
| HSL | hsl(215, 30%, 39%) |
| OKLCH | oklch(47.7% 0.063 256.3) |
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 #455E80 | 6.63:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #455E80 | 3.16:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #455E80 text on white | 6.63:1 | AA | Lc 82.7 | Fine for body text |
| #455E80 text on black | 3.16:1 | AA large text | Lc -19.2 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D5
oklch(80.9% 0.031 256)
-
Step 400
400
#8DA2BF
oklch(70.6% 0.049 256.5)
-
Step 500
500
#718BAF
oklch(63% 0.062 256.6)
-
Step 600
600
#59759B
oklch(55.6% 0.068 256.2)
-
Step 700
700 (this color)
#455E80
oklch(47.7% 0.063 256.3)
-
Step 800
800
#3C506C
oklch(42.7% 0.053 256.9)
-
Step 900
900
#334357
oklch(37.8% 0.04 254.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#455E80 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) | #516082 | 0.018 |
| Deuteranopia (no green cones) | #4A5A7F | 0.013 |
| Tritanopia (no blue cones) | #2E656A | 0.054 |
| Achromatopsia (no color) | #5D5D5D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455E80
#455E80
oklch(47.7% 0.063 256.3)
- #715832
#715832
oklch(47.7% 0.063 76.8)
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 #455E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.018
- Denim #3B638C ΔE 0.022
- Dusty Grape #545775 ΔE 0.029
- Dusk #4E5481 ΔE 0.031
- Dusky Blue #475F94 ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.035
- Slate #516572 ΔE 0.039
Use #455E80 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.