#378396
Closest named color: Teal Blue (#01889F). oklch(57% 0.079 217), rgb(55, 131, 150).
Aa
Black text reads best on this color (4.84:1).
About this color
#378396 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.079 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.024 away. Black text reads best on it, at 4.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #378396 |
| RGB | rgb(55, 131, 150) |
| HSL | hsl(192, 46%, 40%) |
| OKLCH | oklch(57% 0.079 217) |
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 #378396 | 4.33:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #378396 | 4.84:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #378396 text on white | 4.33:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #378396 text on black | 4.84:1 | AA | Lc -31.9 | 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
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB8
oklch(70.7% 0.058 216.7)
-
Step 500
500
#5295A6
oklch(63.2% 0.073 216.1)
-
Step 600
600 (this color)
#378396
oklch(57% 0.079 217)
-
Step 700
700
#246B7C
oklch(49.2% 0.074 216.9)
-
Step 800
800
#205765
oklch(42.7% 0.061 217.5)
-
Step 900
900
#204852
oklch(37.7% 0.048 216.3)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#378396 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) | #767F97 | 0.069 |
| Deuteranopia (no green cones) | #687596 | 0.062 |
| Tritanopia (no blue cones) | #008A89 | 0.040 |
| Achromatopsia (no color) | #797979 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378396
#378396
oklch(57% 0.079 217)
- #A06756
#A06756
oklch(57.1% 0.079 37.3)
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 #378396, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.024
- Cerulean #457B9D ΔE 0.031
- Stormy Blue #507B9C ΔE 0.035
- Ocean #017B92 ΔE 0.037
- Dark Cyan #008B8B ΔE 0.039
- Blue NCS #118AB2 ΔE 0.043
- Teal #008080 ΔE 0.045
- Grey Blue #647D8E ΔE 0.046
Use #378396 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.