#407E89
Closest named color: Ocean (#017B92). oklch(55.6% 0.066 210.4), rgb(64, 126, 137).
Aa
White text reads best on this color (4.60:1).
About this color
#407E89 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.066 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.036 away. White text reads best on it, at 4.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #407E89 |
| RGB | rgb(64, 126, 137) |
| HSL | hsl(189, 36%, 39%) |
| OKLCH | oklch(55.6% 0.066 210.4) |
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 #407E89 | 4.60:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #407E89 | 4.56:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #407E89 text on white | 4.60:1 | AA | Lc 71.8 | Content text, not long reading |
| #407E89 text on black | 4.56:1 | AA | Lc -29.9 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ACC6CB
oklch(80.9% 0.029 210.5)
-
Step 400
400
#7EA9B1
oklch(70.6% 0.048 210.3)
-
Step 500
500
#5C949E
oklch(63.2% 0.061 210.1)
-
Step 600
600 (this color)
#407E89
oklch(55.6% 0.066 210.4)
-
Step 700
700
#316A74
oklch(49% 0.061 210.5)
-
Step 800
800
#2A575F
oklch(42.8% 0.051 210.5)
-
Step 900
900
#27474D
oklch(37.6% 0.039 210.9)
-
Step 950
950
#172A2D
oklch(27% 0.025 208.4)
#407E89 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) | #747A8A | 0.062 |
| Deuteranopia (no green cones) | #697189 | 0.058 |
| Tritanopia (no blue cones) | #0C8381 | 0.036 |
| Achromatopsia (no color) | #757575 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407E89
#407E89
oklch(55.6% 0.066 210.4)
- #96655C
#96655C
oklch(55.6% 0.066 30.8)
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 #407E89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.036
- Cerulean #457B9D ΔE 0.036
- Teal #008080 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
- Grey Blue #647D8E ΔE 0.041
- Deep Aqua #08787F ΔE 0.042
- Teal Blue #01889F ΔE 0.042
Use #407E89 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.