#2149AE
Closest named color: Sapphire (#2138AB). oklch(44.2% 0.168 264.2), rgb(33, 73, 174).
Aa
White text reads best on this color (7.98:1).
About this color
#2149AE is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.168 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.040 away. White text reads best on it, at 7.98:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.62:1 |
| White text | 7.98:1 |
Values
| HEX | #2149AE |
| RGB | rgb(33, 73, 174) |
| HSL | hsl(223, 68%, 41%) |
| OKLCH | oklch(44.2% 0.168 264.2) |
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 #2149AE | 7.98:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #2149AE | 2.62:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #2149AE text on white | 7.98:1 | AAA | Lc 87.1 | Fine for body text |
| #2149AE text on black | 2.62:1 | Fails | Lc -15.0 | 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 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
#C7DAFE
oklch(88.6% 0.054 263.2)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4A80FF
oklch(63.1% 0.198 264.2)
-
Step 600
600
#2E65F0
oklch(55.7% 0.217 264.1)
-
Step 700
700
#2252D1
oklch(49.1% 0.203 264.3)
-
Step 800
800 (this color)
#2149AE
oklch(44.2% 0.168 264.2)
-
Step 900
900
#1C3B86
oklch(37.7% 0.131 264.1)
-
Step 950
950
#11234E
oklch(26.9% 0.083 264.4)
#2149AE 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) | #0057B1 | 0.036 |
| Deuteranopia (no green cones) | #004AAC | 0.017 |
| Tritanopia (no blue cones) | #006274 | 0.130 |
| Achromatopsia (no color) | #515151 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2149AE
#2149AE
oklch(44.2% 0.168 264.2)
- #6A4E00
#6A4E00
oklch(44.2% 0.091 84.7)
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 #2149AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.040
- Blue Blue #2242C7 ΔE 0.042
- Cobalt #1E488F ΔE 0.051
- Blueberry #464196 ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.062
- Dusk Blue #26538D ΔE 0.063
- Light Navy #155084 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.075
Use #2149AE 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.