#437A5D
Closest named color: Dark Sage (#598556). oklch(53.3% 0.075 159.4), rgb(67, 122, 93).
Aa
White text reads best on this color (5.02:1).
About this color
#437A5D is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.075 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.047 away. White text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Values
| HEX | #437A5D |
| RGB | rgb(67, 122, 93) |
| HSL | hsl(148, 29%, 37%) |
| OKLCH | oklch(53.3% 0.075 159.4) |
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 #437A5D | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #437A5D | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #437A5D text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #437A5D text on black | 4.18:1 | AA large text | Lc -27.1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AFC8B9
oklch(81% 0.034 159.2)
-
Step 400
400
#84AB95
oklch(70.6% 0.053 160)
-
Step 500
500
#64977B
oklch(63.2% 0.069 159.6)
-
Step 600
600 (this color)
#437A5D
oklch(53.3% 0.075 159.4)
-
Step 700
700
#3B6D52
oklch(49.1% 0.07 158.8)
-
Step 800
800
#315944
oklch(42.8% 0.058 159.7)
-
Step 900
900
#2C4939
oklch(37.7% 0.045 159.1)
-
Step 950
950
#1A2B21
oklch(27% 0.029 157.9)
#437A5D 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) | #79735B | 0.071 |
| Deuteranopia (no green cones) | #706D5F | 0.068 |
| Tritanopia (no blue cones) | #357A72 | 0.033 |
| Achromatopsia (no color) | #6F6F6F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437A5D
#437A5D
oklch(53.3% 0.075 159.4)
- #8A5B7B
#8A5B7B
oklch(53.3% 0.076 339.3)
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 #437A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.047
- Bluegreen #017A79 ΔE 0.051
- Teal #008080 ΔE 0.055
- Military Green #667C3E ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.057
- Muddy Green #657432 ΔE 0.058
Use #437A5D 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.