#378698
Closest named color: Teal Blue (#01889F). oklch(57.9% 0.081 215.3), rgb(55, 134, 152).
Aa
Black text reads best on this color (5.02:1).
About this color
#378698 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.081 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.021 away. Black text reads best on it, at 5.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #378698 |
| RGB | rgb(55, 134, 152) |
| HSL | hsl(191, 47%, 41%) |
| OKLCH | oklch(57.9% 0.081 215.3) |
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 #378698 | 4.17:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #378698 | 5.02:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #378698 text on white | 4.17:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #378698 text on black | 5.02:1 | AA | Lc -33.1 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#76AAB7
oklch(70.6% 0.058 215)
-
Step 500
500
#5095A6
oklch(63.1% 0.074 215.7)
-
Step 600
600 (this color)
#378698
oklch(57.9% 0.081 215.3)
-
Step 700
700
#206B7B
oklch(49% 0.075 215.1)
-
Step 800
800
#1E5764
oklch(42.6% 0.062 215.6)
-
Step 900
900
#1F4852
oklch(37.7% 0.049 216)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#378698 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) | #798299 | 0.072 |
| Deuteranopia (no green cones) | #6B7798 | 0.066 |
| Tritanopia (no blue cones) | #008D8C | 0.038 |
| Achromatopsia (no color) | #7C7C7C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378698
#378698
oklch(57.9% 0.081 215.3)
- #A46859
#A46859
oklch(57.8% 0.081 34.7)
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 #378698, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.021
- Dark Cyan #008B8B ΔE 0.036
- Cerulean #457B9D ΔE 0.037
- Stormy Blue #507B9C ΔE 0.040
- Blue NCS #118AB2 ΔE 0.040
- Teal Green #0A9396 ΔE 0.042
- Ocean #017B92 ΔE 0.044
- Grey Blue #647D8E ΔE 0.047
Use #378698 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.