#3E5773
Closest named color: YInMn Blue (#415A77). oklch(44.9% 0.055 251.9), rgb(62, 87, 115).
Aa
White text reads best on this color (7.45:1).
About this color
#3E5773 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.055 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.011 away. White text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #3E5773 |
| RGB | rgb(62, 87, 115) |
| HSL | hsl(212, 30%, 35%) |
| OKLCH | oklch(44.9% 0.055 251.9) |
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 #3E5773 | 7.45:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #3E5773 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #3E5773 text on white | 7.45:1 | AAA | Lc 85.9 | Fine for body text |
| #3E5773 text on black | 2.81:1 | Fails | Lc -16.2 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C2D5
oklch(80.8% 0.032 252.7)
-
Step 400
400
#8AA3C1
oklch(70.7% 0.052 253.2)
-
Step 500
500
#6C8CB1
oklch(63% 0.067 252.5)
-
Step 600
600
#54769C
oklch(55.6% 0.071 251.9)
-
Step 700
700
#446386
oklch(49.1% 0.067 252.2)
-
Step 800
800 (this color)
#3E5773
oklch(44.9% 0.055 251.9)
-
Step 900
900
#314358
oklch(37.7% 0.043 252.7)
-
Step 950
950
#1D2734
oklch(26.9% 0.028 255.2)
#3E5773 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) | #4C5874 | 0.020 |
| Deuteranopia (no green cones) | #465372 | 0.015 |
| Tritanopia (no blue cones) | #295D60 | 0.048 |
| Achromatopsia (no color) | #555555 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E5773
#3E5773
oklch(44.9% 0.055 251.9)
- #685032
#685032
oklch(44.9% 0.055 71.9)
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 #3E5773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.011
- Dusty Grape #545775 ΔE 0.031
- Dusk #4E5481 ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.036
- Denim #3B638C ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.053
- Petrol #005F6A ΔE 0.053
Use #3E5773 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.