#455E6D
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.039 235), rgb(69, 94, 109).
Aa
White text reads best on this color (6.82:1).
About this color
#455E6D is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.039 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.024 away. White text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #455E6D |
| RGB | rgb(69, 94, 109) |
| HSL | hsl(203, 22%, 35%) |
| OKLCH | oklch(46.8% 0.039 235) |
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 #455E6D | 6.82:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #455E6D | 3.07:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #455E6D text on white | 6.82:1 | AA | Lc 83.6 | Fine for body text |
| #455E6D text on black | 3.07:1 | AA large text | Lc -18.4 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B6C3CB
oklch(81% 0.018 234.6)
-
Step 400
400
#8FA4B1
oklch(70.7% 0.03 235.1)
-
Step 500
500
#748E9E
oklch(63.2% 0.038 235.2)
-
Step 600
600
#5C7888
oklch(55.7% 0.041 233.5)
-
Step 700
700 (this color)
#455E6D
oklch(46.8% 0.039 235)
-
Step 800
800
#3E525E
oklch(42.7% 0.032 234.8)
-
Step 900
900
#35444D
oklch(37.7% 0.025 234.6)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#455E6D 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) | #575D6E | 0.025 |
| Deuteranopia (no green cones) | #52596D | 0.022 |
| Tritanopia (no blue cones) | #376263 | 0.029 |
| Achromatopsia (no color) | #5B5B5B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455E6D
#455E6D
oklch(46.8% 0.039 235)
- #6C5546
#6C5546
oklch(46.9% 0.039 54.7)
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 #455E6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.024
- Slate #516572 ΔE 0.028
- Dusty Grape #545775 ΔE 0.035
- Denim #3B638C ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Dusk #4E5481 ΔE 0.052
- Dark Aqua #05696B ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.055
Use #455E6D 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.