#317569
Closest named color: Dark Aquamarine (#017371). oklch(51.5% 0.071 180), rgb(49, 117, 105).
Aa
White text reads best on this color (5.41:1).
About this color
#317569 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.071 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.026 away. White text reads best on it, at 5.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #317569 |
| RGB | rgb(49, 117, 105) |
| HSL | hsl(169, 41%, 33%) |
| OKLCH | oklch(51.5% 0.071 180) |
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 #317569 | 5.41:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #317569 | 3.87:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #317569 text on white | 5.41:1 | AA | Lc 76.8 | Fine for body text |
| #317569 text on black | 3.87:1 | AA large text | Lc -25.0 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDD9
oklch(88.4% 0.019 180.2)
-
Step 300
300
#A9C8C1
oklch(80.8% 0.035 180.2)
-
Step 400
400
#7AACA2
oklch(70.6% 0.055 180.8)
-
Step 500
500
#56988B
oklch(63.2% 0.071 179.8)
-
Step 600
600
#388275
oklch(55.6% 0.077 180.1)
-
Step 700
700 (this color)
#317569
oklch(51.5% 0.071 180)
-
Step 800
800
#245A50
oklch(42.8% 0.06 179.3)
-
Step 900
900
#234A42
oklch(37.8% 0.047 178.6)
-
Step 950
950
#152B27
oklch(26.9% 0.029 181)
#317569 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) | #706E69 | 0.076 |
| Deuteranopia (no green cones) | #66676A | 0.072 |
| Tritanopia (no blue cones) | #007771 | 0.021 |
| Achromatopsia (no color) | #6A6A6A | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #317569
#317569
oklch(51.5% 0.071 180)
- #8A5666
#8A5666
oklch(51.6% 0.072 0)
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 #317569, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.026
- Bluegreen #017A79 ΔE 0.028
- Deep Turquoise #017374 ΔE 0.028
- Deep Aqua #08787F ΔE 0.035
- Teal #008080 ΔE 0.041
- Dark Aqua #05696B ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.061
- Ocean #017B92 ΔE 0.062
Use #317569 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.