#172934
Closest named color: Dark (#1B2431). oklch(27.1% 0.031 236.4), rgb(23, 41, 52).
Aa
White text reads best on this color (14.96:1).
About this color
#172934 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.031 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.017 away. White text reads best on it, at 14.96:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.40:1 |
| White text | 14.96:1 |
Values
| HEX | #172934 |
| RGB | rgb(23, 41, 52) |
| HSL | hsl(203, 39%, 15%) |
| OKLCH | oklch(27.1% 0.031 236.4) |
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 #172934 | 14.96:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #172934 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #172934 text on white | 14.96:1 | AAA | Lc 101.8 | Preferred for body text |
| #172934 text on black | 1.40:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7DA7C1
oklch(70.7% 0.059 235.9)
-
Step 500
500
#5B91B2
oklch(63.2% 0.076 236.5)
-
Step 600
600
#3F7B9D
oklch(55.7% 0.082 235.7)
-
Step 700
700
#306787
oklch(49.1% 0.077 236.8)
-
Step 800
800
#29546D
oklch(42.6% 0.063 236.4)
-
Step 900
900
#264659
oklch(37.8% 0.05 236.2)
-
Step 950
950 (this color)
#172934
oklch(27.1% 0.031 236.4)
#172934 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) | #242935 | 0.020 |
| Deuteranopia (no green cones) | #202634 | 0.016 |
| Tritanopia (no blue cones) | #0A2C2D | 0.024 |
| Achromatopsia (no color) | #272727 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172934
#172934
oklch(27.1% 0.031 236.4)
- #332317
#332317
oklch(27.2% 0.032 57.8)
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 #172934, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.017
- Oxford Blue #1B263B ΔE 0.020
- Jet #212529 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.043
- Gunmetal #293241 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.070
Use #172934 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.