#378095
Closest named color: Cerulean (#457B9D). oklch(56.3% 0.079 219.7), rgb(55, 128, 149).
Aa
Black text reads best on this color (4.68:1).
About this color
#378095 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.079 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.025 away. Black text reads best on it, at 4.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #378095 |
| RGB | rgb(55, 128, 149) |
| HSL | hsl(193, 46%, 40%) |
| OKLCH | oklch(56.3% 0.079 219.7) |
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 #378095 | 4.48:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #378095 | 4.68:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #378095 text on white | 4.48:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #378095 text on black | 4.68:1 | AA | Lc -30.8 | Non-text elements, placeholder text |
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
#E3ECEF
oklch(93.7% 0.01 219.6)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#79A9B9
oklch(70.6% 0.056 220.6)
-
Step 500
500
#5394A8
oklch(63.1% 0.073 220)
-
Step 600
600 (this color)
#378095
oklch(56.3% 0.079 219.7)
-
Step 700
700
#266A7D
oklch(49% 0.073 219.8)
-
Step 800
800
#225766
oklch(42.8% 0.061 219.5)
-
Step 900
900
#224853
oklch(37.9% 0.047 219.1)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#378095 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) | #737D96 | 0.066 |
| Deuteranopia (no green cones) | #657395 | 0.058 |
| Tritanopia (no blue cones) | #008787 | 0.042 |
| Achromatopsia (no color) | #777777 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378095
#378095
oklch(56.3% 0.079 219.7)
- #9D6552
#9D6552
oklch(56.3% 0.078 39.5)
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 #378095, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.025
- Teal Blue #01889F ΔE 0.028
- Ocean #017B92 ΔE 0.031
- Stormy Blue #507B9C ΔE 0.031
- Dull Blue #49759C ΔE 0.040
- Metallic Blue #4F738E ΔE 0.040
- Teal #008080 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.045
Use #378095 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.