#1D644F
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.078 169.4), rgb(29, 100, 79).
Aa
White text reads best on this color (7.02:1).
About this color
#1D644F is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.078 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.015 away. White text reads best on it, at 7.02:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #1D644F |
| RGB | rgb(29, 100, 79) |
| HSL | hsl(162, 55%, 25%) |
| OKLCH | oklch(45.3% 0.078 169.4) |
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 #1D644F | 7.02:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #1D644F | 2.98:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #1D644F text on white | 7.02:1 | AAA | Lc 84.1 | Fine for body text |
| #1D644F text on black | 2.98:1 | Fails | Lc -17.9 | 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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A5CBBC
oklch(81% 0.046 169.2)
-
Step 400
400
#71B099
oklch(70.8% 0.074 169.1)
-
Step 500
500
#479C80
oklch(63.2% 0.094 169.1)
-
Step 600
600
#208669
oklch(55.6% 0.101 169.1)
-
Step 700
700
#0E7158
oklch(49% 0.093 169.9)
-
Step 800
800 (this color)
#1D644F
oklch(45.3% 0.078 169.4)
-
Step 900
900
#194C3C
oklch(37.7% 0.061 169.1)
-
Step 950
950
#112C23
oklch(26.9% 0.037 169.3)
#1D644F 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) | #615D4E | 0.079 |
| Deuteranopia (no green cones) | #575650 | 0.075 |
| Tritanopia (no blue cones) | #00655E | 0.024 |
| Achromatopsia (no color) | #595959 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D644F
#1D644F
oklch(45.3% 0.078 169.4)
- #76435D
#76435D
oklch(45.3% 0.078 348.8)
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 #1D644F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.015
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.038
- Dark Aqua #05696B ΔE 0.042
- Petrol #005F6A ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.059
- Deep Teal #00555A ΔE 0.061
- Dark Blue Green #005249 ΔE 0.063
Use #1D644F 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.