#298AA5
Closest named color: Teal Blue (#01889F). oklch(59% 0.095 220.8), rgb(41, 138, 165).
Aa
Black text reads best on this color (5.27:1).
About this color
#298AA5 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.018 away. Black text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #298AA5 |
| RGB | rgb(41, 138, 165) |
| HSL | hsl(193, 60%, 40%) |
| OKLCH | oklch(59% 0.095 220.8) |
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 #298AA5 | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #298AA5 | 5.27:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #298AA5 text on white | 3.98:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #298AA5 text on black | 5.27:1 | AA | Lc -34.8 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D4
oklch(81% 0.043 219.5)
-
Step 400
400
#6FABBF
oklch(70.8% 0.069 221)
-
Step 500
500
#4396AF
oklch(63.2% 0.088 220.6)
-
Step 600
600 (this color)
#298AA5
oklch(59% 0.095 220.8)
-
Step 700
700
#056C84
oklch(49.2% 0.089 220.6)
-
Step 800
800
#0E586B
oklch(42.8% 0.073 220.4)
-
Step 900
900
#174857
oklch(37.6% 0.057 221.9)
-
Step 950
950
#0F2A33
oklch(26.8% 0.037 222.6)
#298AA5 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) | #7A86A6 | 0.079 |
| Deuteranopia (no green cones) | #697AA5 | 0.070 |
| Tritanopia (no blue cones) | #009393 | 0.046 |
| Achromatopsia (no color) | #7F7F7F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #298AA5
#298AA5
oklch(59% 0.095 220.8)
- #AD6950
#AD6950
oklch(59% 0.095 40.9)
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 #298AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.018
- Blue NCS #118AB2 ΔE 0.021
- Teal Green #0A9396 ΔE 0.042
- Steel Blue #4682B4 ΔE 0.042
- Off Blue #5684AE ΔE 0.043
- Cerulean #457B9D ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.044
- Cool Blue #4984B8 ΔE 0.045
Use #298AA5 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.