#174BAF
Closest named color: Blue Blue (#2242C7). oklch(44.4% 0.169 261.8), rgb(23, 75, 175).
Aa
White text reads best on this color (7.88:1).
About this color
#174BAF is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.169 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.043 away. White text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #174BAF |
| RGB | rgb(23, 75, 175) |
| HSL | hsl(219, 77%, 39%) |
| OKLCH | oklch(44.4% 0.169 261.8) |
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 #174BAF | 7.88:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #174BAF | 2.66:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #174BAF text on white | 7.88:1 | AAA | Lc 86.7 | Fine for body text |
| #174BAF text on black | 2.66:1 | Fails | Lc -15.4 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C6DAFE
oklch(88.5% 0.054 262.2)
-
Step 300
300
#9FC1FF
oklch(80.9% 0.096 262.2)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4182FF
oklch(63.1% 0.198 261.8)
-
Step 600
600
#1E66F1
oklch(55.5% 0.221 261.9)
-
Step 700
700
#1154D2
oklch(49.2% 0.205 261.8)
-
Step 800
800 (this color)
#174BAF
oklch(44.4% 0.169 261.8)
-
Step 900
900
#163C86
oklch(37.7% 0.132 261.9)
-
Step 950
950
#0E244E
oklch(27% 0.082 261.8)
#174BAF 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) | #0059B2 | 0.036 |
| Deuteranopia (no green cones) | #004BAD | 0.010 |
| Tritanopia (no blue cones) | #006475 | 0.130 |
| Achromatopsia (no color) | #515151 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174BAF
#174BAF
oklch(44.4% 0.169 261.8)
- #6D4E00
#6D4E00
oklch(44.6% 0.092 82.2)
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 #174BAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.043
- Sapphire #2138AB ΔE 0.044
- Cobalt #1E488F ΔE 0.052
- Dusk Blue #26538D ΔE 0.063
- Blueberry #464196 ΔE 0.064
- Majorelle Blue #3F37C9 ΔE 0.066
- Light Navy #155084 ΔE 0.073
- Denim Blue #3B5B92 ΔE 0.078
Use #174BAF 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.