#407273
Closest named color: Deep Aqua (#08787F). oklch(51.7% 0.054 197.3), rgb(64, 114, 115).
Aa
White text reads best on this color (5.42:1).
About this color
#407273 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.054 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.034 away. White text reads best on it, at 5.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #407273 |
| RGB | rgb(64, 114, 115) |
| HSL | hsl(181, 28%, 35%) |
| OKLCH | oklch(51.7% 0.054 197.3) |
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 #407273 | 5.42:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #407273 | 3.87:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #407273 text on white | 5.42:1 | AA | Lc 76.9 | Fine for body text |
| #407273 text on black | 3.87:1 | AA large text | Lc -24.8 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200
#CFDCDC
oklch(88.5% 0.014 196.9)
-
Step 300
300
#AEC6C6
oklch(80.9% 0.026 196.6)
-
Step 400
400
#82A9AA
oklch(70.7% 0.042 198.2)
-
Step 500
500
#629495
oklch(63.2% 0.054 197.5)
-
Step 600
600
#477E7F
oklch(55.6% 0.058 197.1)
-
Step 700
700 (this color)
#407273
oklch(51.7% 0.054 197.3)
-
Step 800
800
#2F5757
oklch(42.8% 0.045 195.6)
-
Step 900
900
#2A4748
oklch(37.6% 0.035 198.6)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#407273 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) | #6C6E73 | 0.056 |
| Deuteranopia (no green cones) | #636773 | 0.052 |
| Tritanopia (no blue cones) | #287572 | 0.021 |
| Achromatopsia (no color) | #6A6A6A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407273
#407273
oklch(51.7% 0.054 197.3)
- #855C5D
#855C5D
oklch(51.9% 0.054 17.5)
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 #407273, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.034
- Deep Turquoise #017374 ΔE 0.035
- Dark Aquamarine #017371 ΔE 0.036
- Bluegreen #017A79 ΔE 0.036
- Slate #516572 ΔE 0.042
- Teal #008080 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.048
- Dark Aqua #05696B ΔE 0.051
Use #407273 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.