#2F7998
Closest named color: Cerulean (#457B9D). oklch(54.4% 0.087 229.2), rgb(47, 121, 152).
Aa
White text reads best on this color (4.87:1).
About this color
#2F7998 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.087 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.022 away. White text reads best on it, at 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #2F7998 |
| RGB | rgb(47, 121, 152) |
| HSL | hsl(198, 53%, 39%) |
| OKLCH | oklch(54.4% 0.087 229.2) |
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 #2F7998 | 4.87:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #2F7998 | 4.30:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #2F7998 text on white | 4.87:1 | AA | Lc 73.5 | Content text, not long reading |
| #2F7998 text on black | 4.30:1 | AA large text | Lc -28.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400
#78A9C0
oklch(70.8% 0.062 228.8)
-
Step 500
500
#5293B0
oklch(63.1% 0.08 228.8)
-
Step 600
600 (this color)
#2F7998
oklch(54.4% 0.087 229.2)
-
Step 700
700
#256985
oklch(49.1% 0.08 229.2)
-
Step 800
800
#21566C
oklch(42.8% 0.066 228.7)
-
Step 900
900
#214758
oklch(37.8% 0.052 229.5)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#2F7998 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) | #69779A | 0.061 |
| Deuteranopia (no green cones) | #5A6C98 | 0.054 |
| Tritanopia (no blue cones) | #008283 | 0.053 |
| Achromatopsia (no color) | #717171 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F7998
#2F7998
oklch(54.4% 0.087 229.2)
- #986041
#986041
oklch(54.4% 0.086 49.2)
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 #2F7998, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.022
- Ocean #017B92 ΔE 0.022
- Sea Blue #047495 ΔE 0.026
- Dull Blue #49759C ΔE 0.026
- Muted Blue #3B719F ΔE 0.030
- Metallic Blue #4F738E ΔE 0.032
- Stormy Blue #507B9C ΔE 0.032
- Ocean Blue #03719C ΔE 0.035
Use #2F7998 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.