#45576F
Closest named color: YInMn Blue (#415A77). oklch(45.2% 0.045 255.8), rgb(69, 87, 111).
Aa
White text reads best on this color (7.37:1).
About this color
#45576F is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.045 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 7.37:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #45576F |
| RGB | rgb(69, 87, 111) |
| HSL | hsl(214, 23%, 35%) |
| OKLCH | oklch(45.2% 0.045 255.8) |
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 #45576F | 7.37:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #45576F | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #45576F text on white | 7.37:1 | AAA | Lc 85.6 | Fine for body text |
| #45576F text on black | 2.84:1 | Fails | Lc -16.4 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B6C2D2
oklch(81% 0.026 255.6)
-
Step 400
400
#8FA2BB
oklch(70.6% 0.043 255.3)
-
Step 500
500
#748BAA
oklch(63% 0.054 256)
-
Step 600
600
#5C7596
oklch(55.6% 0.059 255.5)
-
Step 700
700
#4C6280
oklch(49.1% 0.055 256.3)
-
Step 800
800 (this color)
#45576F
oklch(45.2% 0.045 255.8)
-
Step 900
900
#354354
oklch(37.8% 0.034 253.6)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#45576F 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) | #4E5870 | 0.014 |
| Deuteranopia (no green cones) | #4A546E | 0.011 |
| Tritanopia (no blue cones) | #385C5F | 0.039 |
| Achromatopsia (no color) | #565656 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45576F
#45576F
oklch(45.2% 0.045 255.8)
- #645239
#645239
oklch(45% 0.045 75.3)
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 #45576F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Dusty Grape #545775 ΔE 0.025
- Dusk #4E5481 ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.045
- Slate #516572 ΔE 0.047
- Denim #3B638C ΔE 0.051
- Twilight #4E518B ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.056
Use #45576F 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.