#2D8FBB
Closest named color: Blue NCS (#118AB2). oklch(61.4% 0.11 232.4), rgb(45, 143, 187).
Aa
Black text reads best on this color (5.75:1).
About this color
#2D8FBB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.110 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.023 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #2D8FBB |
| RGB | rgb(45, 143, 187) |
| HSL | hsl(199, 61%, 45%) |
| OKLCH | oklch(61.4% 0.11 232.4) |
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 #2D8FBB | 3.64:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #2D8FBB | 5.75:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #2D8FBB text on white | 3.64:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #2D8FBB text on black | 5.75:1 | AA | Lc -38.0 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#66AACD
oklch(70.6% 0.086 232.2)
-
Step 500
500 (this color)
#2D8FBB
oklch(61.4% 0.11 232.4)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#0B4861
oklch(37.8% 0.071 231.7)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#2D8FBB 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) | #798DBD | 0.072 |
| Deuteranopia (no green cones) | #6680BA | 0.061 |
| Tritanopia (no blue cones) | #009B9E | 0.066 |
| Achromatopsia (no color) | #868686 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D8FBB
#2D8FBB
oklch(61.4% 0.11 232.4)
- #B87041
#B87041
oklch(61.4% 0.111 52.4)
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 #2D8FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.023
- Cool Blue #4984B8 ΔE 0.033
- Steel Blue #4682B4 ΔE 0.037
- Off Blue #5684AE ΔE 0.041
- Water Blue #0E87CC ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.041
- Faded Blue #658CBB ΔE 0.047
- Teal Blue #01889F ΔE 0.049
Use #2D8FBB 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.