#2F89B8
Closest named color: Blue NCS (#118AB2). oklch(59.8% 0.11 235.9), rgb(47, 137, 184).
Aa
Black text reads best on this color (5.39:1).
About this color
#2F89B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.110 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.017 away. Black text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #2F89B8 |
| RGB | rgb(47, 137, 184) |
| HSL | hsl(201, 59%, 45%) |
| OKLCH | oklch(59.8% 0.11 235.9) |
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 #2F89B8 | 3.89:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #2F89B8 | 5.39:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #2F89B8 text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #2F89B8 text on black | 5.39:1 | AA | Lc -35.6 | 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 500.
-
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
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#A0C7DF
oklch(81% 0.054 235.3)
-
Step 400
400
#6AA9CF
oklch(70.7% 0.086 236.2)
-
Step 500
500 (this color)
#2F89B8
oklch(59.8% 0.11 235.9)
-
Step 600
600
#027CAF
oklch(55.5% 0.119 236.3)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#114762
oklch(37.7% 0.071 235.5)
-
Step 950
950
#0D2A39
oklch(27.1% 0.044 234.3)
#2F89B8 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) | #7288BA | 0.064 |
| Deuteranopia (no green cones) | #607BB7 | 0.054 |
| Tritanopia (no blue cones) | #009599 | 0.070 |
| Achromatopsia (no color) | #818181 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F89B8
#2F89B8
oklch(59.8% 0.11 235.9)
- #B16D39
#B16D39
oklch(59.9% 0.11 56)
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 #2F89B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.017
- Cool Blue #4984B8 ΔE 0.022
- Steel Blue #4682B4 ΔE 0.023
- Off Blue #5684AE ΔE 0.033
- Water Blue #0E87CC ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.037
- Teal Blue #01889F ΔE 0.044
- Nice Blue #107AB0 ΔE 0.048
Use #2F89B8 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.