#397988
Closest named color: Ocean (#017B92). oklch(54% 0.069 215.2), rgb(57, 121, 136).
Aa
White text reads best on this color (4.92:1).
About this color
#397988 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.069 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.027 away. White text reads best on it, at 4.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #397988 |
| RGB | rgb(57, 121, 136) |
| HSL | hsl(191, 41%, 38%) |
| OKLCH | oklch(54% 0.069 215.2) |
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 #397988 | 4.92:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #397988 | 4.26:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #397988 text on white | 4.92:1 | AA | Lc 73.9 | Content text, not long reading |
| #397988 text on black | 4.26:1 | AA large text | Lc -27.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ABC6CD
oklch(80.9% 0.031 215.1)
-
Step 400
400
#7DA9B4
oklch(70.7% 0.05 214.9)
-
Step 500
500
#5A94A2
oklch(63.2% 0.064 214.9)
-
Step 600
600 (this color)
#397988
oklch(54% 0.069 215.2)
-
Step 700
700
#2F6A78
oklch(49.1% 0.065 215.6)
-
Step 800
800
#285661
oklch(42.6% 0.053 215.5)
-
Step 900
900
#26474F
oklch(37.6% 0.041 215.1)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#397988 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) | #6E7589 | 0.062 |
| Deuteranopia (no green cones) | #636D88 | 0.056 |
| Tritanopia (no blue cones) | #007F7E | 0.038 |
| Achromatopsia (no color) | #707070 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397988
#397988
oklch(54% 0.069 215.2)
- #926053
#926053
oklch(54% 0.069 35.2)
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 #397988, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.027
- Metallic Blue #4F738E ΔE 0.031
- Deep Aqua #08787F ΔE 0.031
- Cerulean #457B9D ΔE 0.036
- Teal #008080 ΔE 0.037
- Bluegreen #017A79 ΔE 0.039
- Sea Blue #047495 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.041
Use #397988 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.