#397287
Closest named color: Metallic Blue (#4F738E). oklch(52.2% 0.068 224.5), rgb(57, 114, 135).
Aa
White text reads best on this color (5.34:1).
About this color
#397287 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.068 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.027 away. White text reads best on it, at 5.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #397287 |
| RGB | rgb(57, 114, 135) |
| HSL | hsl(196, 41%, 38%) |
| OKLCH | oklch(52.2% 0.068 224.5) |
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 #397287 | 5.34:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #397287 | 3.93:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #397287 text on white | 5.34:1 | AA | Lc 76.4 | Fine for body text |
| #397287 text on black | 3.93:1 | AA large text | Lc -25.3 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ABC6D1
oklch(81% 0.033 224.3)
-
Step 400
400
#7DA8B9
oklch(70.6% 0.053 224.3)
-
Step 500
500
#5A92A8
oklch(63% 0.068 225.1)
-
Step 600
600
#3E7D93
oklch(55.7% 0.073 223.4)
-
Step 700
700 (this color)
#397287
oklch(52.2% 0.068 224.5)
-
Step 800
800
#295666
oklch(42.8% 0.056 223.7)
-
Step 900
900
#264753
oklch(37.8% 0.044 223.6)
-
Step 950
950
#172931
oklch(26.9% 0.028 227.9)
#397287 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) | #667088 | 0.053 |
| Deuteranopia (no green cones) | #5B6787 | 0.048 |
| Tritanopia (no blue cones) | #007879 | 0.044 |
| Achromatopsia (no color) | #6B6B6B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397287
#397287
oklch(52.2% 0.068 224.5)
- #8B5D49
#8B5D49
oklch(52.3% 0.068 44.3)
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 #397287, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.027
- Sea Blue #047495 ΔE 0.031
- Ocean #017B92 ΔE 0.033
- Deep Aqua #08787F ΔE 0.036
- Dull Blue #49759C ΔE 0.039
- Muted Blue #3B719F ΔE 0.040
- Ocean Blue #03719C ΔE 0.042
- Cerulean #457B9D ΔE 0.042
Use #397287 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.