#4176AA
Closest named color: Flat Blue (#3C73A8). oklch(55.3% 0.099 249.7), rgb(65, 118, 170).
Aa
White text reads best on this color (4.77:1).
About this color
#4176AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.099 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.011 away. White text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #4176AA |
| RGB | rgb(65, 118, 170) |
| HSL | hsl(210, 45%, 46%) |
| OKLCH | oklch(55.3% 0.099 249.7) |
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 #4176AA | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #4176AA | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #4176AA text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #4176AA text on black | 4.39:1 | AA large text | Lc -28.7 | 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 600.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ABC4DD
oklch(81% 0.045 248.4)
-
Step 400
400
#7EA5CC
oklch(70.8% 0.072 248.9)
-
Step 500
500
#5D8EBF
oklch(63.2% 0.091 249.4)
-
Step 600
600 (this color)
#4176AA
oklch(55.3% 0.099 249.7)
-
Step 700
700
#346493
oklch(49.2% 0.092 249.8)
-
Step 800
800
#2B5277
oklch(42.8% 0.076 248.9)
-
Step 900
900
#284460
oklch(37.8% 0.059 249.6)
-
Step 950
950
#182838
oklch(27.1% 0.037 249.3)
#4176AA 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) | #6078AC | 0.036 |
| Deuteranopia (no green cones) | #526EA9 | 0.027 |
| Tritanopia (no blue cones) | #008288 | 0.080 |
| Achromatopsia (no color) | #727272 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4176AA
#4176AA
oklch(55.3% 0.099 249.7)
- #976728
#976728
oklch(55.3% 0.099 70.1)
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 #4176AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.011
- Muted Blue #3B719F ΔE 0.022
- Dull Blue #49759C ΔE 0.022
- Cerulean #457B9D ΔE 0.029
- Nice Blue #107AB0 ΔE 0.029
- Windows Blue #3778BF ΔE 0.032
- French Blue #436BAD ΔE 0.033
- Stormy Blue #507B9C ΔE 0.033
Use #4176AA 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.