#45576B
Closest named color: YInMn Blue (#415A77). oklch(45% 0.04 251.4), rgb(69, 87, 107).
Aa
White text reads best on this color (7.42:1).
About this color
#45576B is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.040 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.019 away. White text reads best on it, at 7.42:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.82:1 |
| White text | 7.42:1 |
Values
| HEX | #45576B |
| RGB | rgb(69, 87, 107) |
| HSL | hsl(212, 22%, 35%) |
| OKLCH | oklch(45% 0.04 251.4) |
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 #45576B | 7.42:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #45576B | 2.82:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #45576B text on white | 7.42:1 | AAA | Lc 85.8 | Fine for body text |
| #45576B text on black | 2.82:1 | Fails | Lc -16.3 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400
#90A3B8
oklch(70.8% 0.038 251)
-
Step 500
500
#758CA6
oklch(63.1% 0.047 251.7)
-
Step 600
600
#5D7691
oklch(55.6% 0.051 250.7)
-
Step 700
700
#4D637C
oklch(49.2% 0.048 252)
-
Step 800
800 (this color)
#45576B
oklch(45% 0.04 251.4)
-
Step 900
900
#364352
oklch(37.8% 0.031 252.3)
-
Step 950
950
#1F2730
oklch(26.9% 0.02 251.6)
#45576B 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) | #50576C | 0.016 |
| Deuteranopia (no green cones) | #4B546B | 0.012 |
| Tritanopia (no blue cones) | #395B5E | 0.033 |
| Achromatopsia (no color) | #555555 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45576B
#45576B
oklch(45% 0.04 251.4)
- #63523D
#63523D
oklch(45% 0.039 72.4)
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 #45576B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.019
- Dusty Grape #545775 ΔE 0.029
- Dusk #4E5481 ΔE 0.043
- Slate #516572 ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.051
- Petrol #005F6A ΔE 0.055
- Denim #3B638C ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.059
Use #45576B 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.