#407C97
Closest named color: Cerulean (#457B9D). oklch(55.7% 0.075 229.4), rgb(64, 124, 151).
Aa
White text reads best on this color (4.61:1).
About this color
#407C97 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.075 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.012 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #407C97 |
| RGB | rgb(64, 124, 151) |
| HSL | hsl(199, 40%, 42%) |
| OKLCH | oklch(55.7% 0.075 229.4) |
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 #407C97 | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #407C97 | 4.54:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #407C97 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #407C97 text on black | 4.54:1 | AA | Lc -29.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400
#7EA8BC
oklch(70.8% 0.054 228.8)
-
Step 500
500
#5B92AB
oklch(63.1% 0.069 228.7)
-
Step 600
600 (this color)
#407C97
oklch(55.7% 0.075 229.4)
-
Step 700
700
#316881
oklch(49.1% 0.07 230.1)
-
Step 800
800
#2A5568
oklch(42.7% 0.057 229)
-
Step 900
900
#274655
oklch(37.7% 0.045 230.6)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#407C97 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) | #6E7A98 | 0.053 |
| Deuteranopia (no green cones) | #627197 | 0.047 |
| Tritanopia (no blue cones) | #008485 | 0.053 |
| Achromatopsia (no color) | #757575 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407C97
#407C97
oklch(55.7% 0.075 229.4)
- #98664B
#98664B
oklch(55.7% 0.076 49)
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 #407C97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.012
- Stormy Blue #507B9C ΔE 0.019
- Dull Blue #49759C ΔE 0.025
- Metallic Blue #4F738E ΔE 0.028
- Ocean #017B92 ΔE 0.034
- Muted Blue #3B719F ΔE 0.039
- Teal Blue #01889F ΔE 0.040
- Grey Blue #647D8E ΔE 0.041
Use #407C97 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.