#378093
Closest named color: Cerulean (#457B9D). oklch(56.2% 0.077 217.6), rgb(55, 128, 147).
Aa
Black text reads best on this color (4.67:1).
About this color
#378093 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.077 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.028 away. Black text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #378093 |
| RGB | rgb(55, 128, 147) |
| HSL | hsl(192, 46%, 40%) |
| OKLCH | oklch(56.2% 0.077 217.6) |
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 #378093 | 4.49:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #378093 | 4.67:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #378093 text on white | 4.49:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #378093 text on black | 4.67:1 | AA | Lc -30.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE2
oklch(88.6% 0.02 217.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#79AAB8
oklch(70.8% 0.056 217.4)
-
Step 500
500
#5494A6
oklch(63.1% 0.071 218)
-
Step 600
600 (this color)
#378093
oklch(56.2% 0.077 217.6)
-
Step 700
700
#276B7C
oklch(49.3% 0.072 217.4)
-
Step 800
800
#225765
oklch(42.8% 0.06 218.1)
-
Step 900
900
#224852
oklch(37.8% 0.046 217.1)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#378093 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) | #747C94 | 0.068 |
| Deuteranopia (no green cones) | #667293 | 0.061 |
| Tritanopia (no blue cones) | #008786 | 0.040 |
| Achromatopsia (no color) | #777777 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378093
#378093
oklch(56.2% 0.077 217.6)
- #9D6554
#9D6554
oklch(56.3% 0.078 37.6)
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 #378093, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.028
- Teal Blue #01889F ΔE 0.029
- Ocean #017B92 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.033
- Metallic Blue #4F738E ΔE 0.040
- Teal #008080 ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Dark Cyan #008B8B ΔE 0.043
Use #378093 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.