#455C70
Closest named color: YInMn Blue (#415A77). oklch(46.4% 0.043 245.2), rgb(69, 92, 112).
Aa
White text reads best on this color (6.95:1).
About this color
#455C70 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.043 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.016 away. White text reads best on it, at 6.95:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #455C70 |
| RGB | rgb(69, 92, 112) |
| HSL | hsl(208, 24%, 35%) |
| OKLCH | oklch(46.4% 0.043 245.2) |
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 #455C70 | 6.95:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #455C70 | 3.01:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #455C70 text on white | 6.95:1 | AA | Lc 84.1 | Fine for body text |
| #455C70 text on black | 3.01:1 | AA large text | Lc -17.9 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#90A3B4
oklch(70.6% 0.033 245.3)
-
Step 500
500
#748DA2
oklch(63.1% 0.043 243.8)
-
Step 600
600
#5D778D
oklch(55.7% 0.046 244.3)
-
Step 700
700 (this color)
#455C70
oklch(46.4% 0.043 245.2)
-
Step 800
800
#3F5162
oklch(42.7% 0.036 247.2)
-
Step 900
900
#354350
oklch(37.6% 0.029 246.7)
-
Step 950
950
#1F272F
oklch(26.9% 0.019 248.5)
#455C70 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) | #545C71 | 0.021 |
| Deuteranopia (no green cones) | #4E5770 | 0.019 |
| Tritanopia (no blue cones) | #366163 | 0.036 |
| Achromatopsia (no color) | #595959 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455C70
#455C70
oklch(46.4% 0.043 245.2)
- #6A5440
#6A5440
oklch(46.3% 0.042 63.8)
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 #455C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.016
- Dusty Grape #545775 ΔE 0.028
- Slate #516572 ΔE 0.033
- Dusk #4E5481 ΔE 0.044
- Denim #3B638C ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.048
- Petrol #005F6A ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.058
Use #455C70 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.