#2F83AE
Closest named color: Blue NCS (#118AB2). oklch(57.9% 0.103 235.1), rgb(47, 131, 174).
Aa
Black text reads best on this color (4.97:1).
About this color
#2F83AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.103 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.021 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 4.97:1 |
| White text | 4.21:1 |
Values
| HEX | #2F83AE |
| RGB | rgb(47, 131, 174) |
| HSL | hsl(200, 57%, 43%) |
| OKLCH | oklch(57.9% 0.103 235.1) |
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 #2F83AE | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #2F83AE | 4.97:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #2F83AE text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #2F83AE text on black | 4.97:1 | AA | Lc -32.9 | Non-text elements, placeholder text |
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
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DB
oklch(80.9% 0.046 236.1)
-
Step 400
400
#72A8C8
oklch(70.6% 0.074 235.3)
-
Step 500
500
#4992BB
oklch(63% 0.095 235.7)
-
Step 600
600 (this color)
#2F83AE
oklch(57.9% 0.103 235.1)
-
Step 700
700
#17688F
oklch(49% 0.096 235.5)
-
Step 800
800
#175574
oklch(42.6% 0.08 235.3)
-
Step 900
900
#1B475E
oklch(37.8% 0.062 234.6)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#2F83AE 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) | #6E82B0 | 0.062 |
| Deuteranopia (no green cones) | #5D76AD | 0.052 |
| Tritanopia (no blue cones) | #008E92 | 0.065 |
| Achromatopsia (no color) | #7B7B7B | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F83AE
#2F83AE
oklch(57.9% 0.103 235.1)
- #A8683A
#A8683A
oklch(57.8% 0.103 54.8)
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 #2F83AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.021
- Steel Blue #4682B4 ΔE 0.021
- Cool Blue #4984B8 ΔE 0.027
- Cerulean #457B9D ΔE 0.032
- Nice Blue #107AB0 ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Teal Blue #01889F ΔE 0.035
- Stormy Blue #507B9C ΔE 0.037
Use #2F83AE 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.