#45556C
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.043 257.4), rgb(69, 85, 108).
Aa
White text reads best on this color (7.58:1).
About this color
#45556C is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.043 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.020 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #45556C |
| RGB | rgb(69, 85, 108) |
| HSL | hsl(215, 22%, 35%) |
| OKLCH | oklch(44.5% 0.043 257.4) |
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 #45556C | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #45556C | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #45556C text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #45556C text on black | 2.76:1 | Fails | Lc -15.7 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B7C2D1
oklch(81% 0.024 256.1)
-
Step 400
400
#91A2BA
oklch(70.7% 0.04 257)
-
Step 500
500
#768BA9
oklch(63.1% 0.051 257.3)
-
Step 600
600
#5F7594
oklch(55.7% 0.055 257)
-
Step 700
700
#4E627E
oklch(49.1% 0.051 256.8)
-
Step 800
800 (this color)
#45556C
oklch(44.5% 0.043 257.4)
-
Step 900
900
#364254
oklch(37.6% 0.035 258.3)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#45556C 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) | #4D566D | 0.012 |
| Deuteranopia (no green cones) | #49526C | 0.010 |
| Tritanopia (no blue cones) | #395A5D | 0.038 |
| Achromatopsia (no color) | #545454 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45556C
#45556C
oklch(44.5% 0.043 257.4)
- #615139
#615139
oklch(44.5% 0.042 77.4)
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 #45556C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.020
- Dusty Grape #545775 ΔE 0.028
- Dusk #4E5481 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.049
- Slate #516572 ΔE 0.053
- Denim #3B638C ΔE 0.058
- Twilight #4E518B ΔE 0.058
- Petrol #005F6A ΔE 0.058
Use #45556C 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.