#407A6B
Closest named color: Bluegreen (#017A79). oklch(53.5% 0.066 174.9), rgb(64, 122, 107).
Aa
White text reads best on this color (4.98:1).
About this color
#407A6B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.066 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.036 away. White text reads best on it, at 4.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #407A6B |
| RGB | rgb(64, 122, 107) |
| HSL | hsl(164, 31%, 36%) |
| OKLCH | oklch(53.5% 0.066 174.9) |
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 #407A6B | 4.98:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #407A6B | 4.21:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #407A6B text on white | 4.98:1 | AA | Lc 74.3 | Content text, not long reading |
| #407A6B text on black | 4.21:1 | AA large text | Lc -27.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AEC7BF
oklch(80.9% 0.029 174.3)
-
Step 400
400
#82AB9F
oklch(70.8% 0.048 175)
-
Step 500
500
#619687
oklch(63.1% 0.061 174.5)
-
Step 600
600 (this color)
#407A6B
oklch(53.5% 0.066 174.9)
-
Step 700
700
#376C5F
oklch(49% 0.061 175.8)
-
Step 800
800
#2E584D
oklch(42.6% 0.051 174.9)
-
Step 900
900
#2A4940
oklch(37.8% 0.04 173.6)
-
Step 950
950
#192B26
oklch(27.2% 0.026 174.9)
#407A6B 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) | #76746A | 0.068 |
| Deuteranopia (no green cones) | #6D6D6C | 0.065 |
| Tritanopia (no blue cones) | #2A7B75 | 0.020 |
| Achromatopsia (no color) | #707070 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407A6B
#407A6B
oklch(53.5% 0.066 174.9)
- #8C5D6F
#8C5D6F
oklch(53.5% 0.066 354.9)
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 #407A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.036
- Teal #008080 ΔE 0.039
- Deep Aqua #08787F ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.046
- Dark Sage #598556 ΔE 0.059
- Dark Cyan #008B8B ΔE 0.059
- Ocean #017B92 ΔE 0.064
Use #407A6B 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.