#377595
Closest named color: Dull Blue (#49759C). oklch(53.5% 0.081 233.6), rgb(55, 117, 149).
Aa
White text reads best on this color (5.07:1).
About this color
#377595 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.081 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.022 away. White text reads best on it, at 5.07:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #377595 |
| RGB | rgb(55, 117, 149) |
| HSL | hsl(200, 46%, 40%) |
| OKLCH | oklch(53.5% 0.081 233.6) |
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 #377595 | 5.07:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #377595 | 4.14:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #377595 text on white | 5.07:1 | AA | Lc 74.8 | Content text, not long reading |
| #377595 text on black | 4.14:1 | AA large text | Lc -26.9 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7C0
oklch(70.6% 0.059 234.2)
-
Step 500
500
#5A91B0
oklch(63.1% 0.075 234.4)
-
Step 600
600 (this color)
#377595
oklch(53.5% 0.081 233.6)
-
Step 700
700
#2F6885
oklch(49.2% 0.075 233.4)
-
Step 800
800
#28556C
oklch(42.8% 0.062 233.1)
-
Step 900
900
#254657
oklch(37.7% 0.048 232.5)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#377595 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) | #657497 | 0.052 |
| Deuteranopia (no green cones) | #586A95 | 0.045 |
| Tritanopia (no blue cones) | #007E80 | 0.056 |
| Achromatopsia (no color) | #6E6E6E | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377595
#377595
oklch(53.5% 0.081 233.6)
- #92603F
#92603F
oklch(53.6% 0.081 53.6)
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 #377595, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.022
- Muted Blue #3B719F ΔE 0.023
- Metallic Blue #4F738E ΔE 0.024
- Cerulean #457B9D ΔE 0.025
- Sea Blue #047495 ΔE 0.026
- Ocean #017B92 ΔE 0.030
- Ocean Blue #03719C ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.033
Use #377595 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.