#174A67
Closest named color: Dark Grey Blue (#29465B). oklch(39% 0.072 237.9), rgb(23, 74, 103).
Aa
White text reads best on this color (9.49:1).
About this color
#174A67 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.072 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 9.49:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #174A67 |
| RGB | rgb(23, 74, 103) |
| HSL | hsl(202, 63%, 25%) |
| OKLCH | oklch(39% 0.072 237.9) |
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 #174A67 | 9.49:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #174A67 | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #174A67 text on white | 9.49:1 | AAA | Lc 91.7 | Preferred for body text |
| #174A67 text on black | 2.21:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEB
oklch(88.6% 0.03 236.9)
-
Step 300
300
#A1C6E0
oklch(80.8% 0.054 239)
-
Step 400
400
#6BA9D1
oklch(70.8% 0.087 238)
-
Step 500
500
#3D92C4
oklch(63% 0.111 238)
-
Step 600
600
#0A7CB1
oklch(55.7% 0.12 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#04557B
oklch(42.7% 0.092 237.7)
-
Step 900
900 (this color)
#174A67
oklch(39% 0.072 237.9)
-
Step 950
950
#0D293A
oklch(26.9% 0.046 238.6)
#174A67 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) | #3C4A68 | 0.040 |
| Deuteranopia (no green cones) | #314267 | 0.033 |
| Tritanopia (no blue cones) | #005154 | 0.047 |
| Achromatopsia (no color) | #464646 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174A67
#174A67
oklch(39% 0.072 237.9)
- #623A1A
#623A1A
oklch(39% 0.073 57)
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 #174A67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.024
- Charcoal #264653 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.044
- Deep Teal #00555A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.049
- Light Navy #155084 ΔE 0.049
- Dark Teal #014D4E ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #174A67 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.