#407188
Closest named color: Metallic Blue (#4F738E). oklch(52.3% 0.064 230), rgb(64, 113, 136).
Aa
White text reads best on this color (5.33:1).
About this color
#407188 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.064 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.021 away. White text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #407188 |
| RGB | rgb(64, 113, 136) |
| HSL | hsl(199, 36%, 39%) |
| OKLCH | oklch(52.3% 0.064 230) |
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 #407188 | 5.33:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #407188 | 3.93:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #407188 text on white | 5.33:1 | AA | Lc 76.4 | Fine for body text |
| #407188 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#81A7BA
oklch(70.7% 0.05 229.9)
-
Step 500
500
#6091A9
oklch(63.1% 0.064 230.2)
-
Step 600
600
#457B94
oklch(55.6% 0.069 229.7)
-
Step 700
700 (this color)
#407188
oklch(52.3% 0.064 230)
-
Step 800
800
#2E5567
oklch(42.9% 0.053 229.6)
-
Step 900
900
#294653
oklch(37.7% 0.041 228.3)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#407188 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) | #656F89 | 0.045 |
| Deuteranopia (no green cones) | #5B6888 | 0.039 |
| Tritanopia (no blue cones) | #157778 | 0.047 |
| Achromatopsia (no color) | #6B6B6B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407188
#407188
oklch(52.3% 0.064 230)
- #885F48
#885F48
oklch(52.3% 0.064 50.2)
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 #407188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.021
- Dull Blue #49759C ΔE 0.034
- Sea Blue #047495 ΔE 0.035
- Muted Blue #3B719F ΔE 0.037
- Ocean #017B92 ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Slate #516572 ΔE 0.043
Use #407188 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.