#455963
Closest named color: YInMn Blue (#415A77). oklch(45.1% 0.029 229.8), rgb(69, 89, 99).
Aa
White text reads best on this color (7.33:1).
About this color
#455963 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.033 away. White text reads best on it, at 7.33:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #455963 |
| RGB | rgb(69, 89, 99) |
| HSL | hsl(200, 18%, 33%) |
| OKLCH | oklch(45.1% 0.029 229.8) |
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 #455963 | 7.33:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #455963 | 2.86:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #455963 text on white | 7.33:1 | AAA | Lc 85.5 | Fine for body text |
| #455963 text on black | 2.86:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B6C3CA
oklch(80.9% 0.017 231)
-
Step 400
400
#90A4AF
oklch(70.7% 0.028 231.8)
-
Step 500
500
#748E9B
oklch(63.1% 0.035 229.6)
-
Step 600
600
#5C7886
oklch(55.6% 0.039 229.9)
-
Step 700
700
#4C6571
oklch(49.1% 0.035 228.9)
-
Step 800
800 (this color)
#455963
oklch(45.1% 0.029 229.8)
-
Step 900
900
#35444C
oklch(37.7% 0.024 231.5)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#455963 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) | #545864 | 0.022 |
| Deuteranopia (no green cones) | #505563 | 0.019 |
| Tritanopia (no blue cones) | #3C5C5C | 0.021 |
| Achromatopsia (no color) | #565656 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455963
#455963
oklch(45.1% 0.029 229.8)
- #645147
#645147
oklch(45.1% 0.03 49.3)
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 #455963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.033
- Dusty Grape #545775 ΔE 0.040
- Slate #516572 ΔE 0.044
- Petrol #005F6A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.056
- Dusk #4E5481 ΔE 0.059
- Dark Aqua #05696B ΔE 0.061
Use #455963 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.